Massive sound changes / fix (24/32bit pcm support,
new sampling rate converter, various fixes)
sklauder at trimind.de
Wed Jul 13 08:38:20 GMT 2005
On Wed, Jul 13, 2005 at 06:13:47AM +0800, Ariff Abdullah wrote:
> On Tue, 12 Jul 2005 22:44:04 +0200
> Sascha Klauder <sklauder at trimind.de> wrote:
> > Something's not right here. I had some minor issues with
> > crackling noise on PCM playback with pcm1 (it's an AWE64),
> > which seems to be gone now, but the playback is just a bit
> > too slow, which sounds pretty strange. Playback on pcm0
> > (old SB Live!) is just fine, as it was before applying the
> > patch.
> AWE64 is actually not capable of driving sampling rate at 48k (which
> is the current default value for vchan). Fortunately you can tune
> default sampling rate using kernel hint by adding this to your
Works fine, thanks!
> rate on the fly, something like sysctl hw.snd.pcm0.vchanrate=xxx. Stay
> tuned. If you insist, you may try my latest (revision 8) patch from:
Sounds nice, will try that later!
> I do have general solution to entirely eliminate noise / crackling
> issues (which plagued most SBLive!), which is part of my TODO list.
I have no problems whatsoever with noise on the Live!, but
had some slightly crackling noise on the AWE card ever since
I switched from 4.10 to 5.4, which is gone now with your patch.
Thank you! :)
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